Home / 148,414,707,911.80-222,622,061,867.70-77,642,072,212.60

Finding the Fourth Proportional to 148,414,707,911.80, 222,622,061,867.70 and 77,642,072,212.60

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Solution

The fourth proportional to 148,414,707,911.80, 222,622,061,867.70 and 77,642,072,212.60 is: 116,463,108,318.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,414,707,911.80 : 222,622,061,867.70 = 77,642,072,212.60 : x
  2. Step 2: Convert to fraction form
    148,414,707,911.80/222,622,061,867.70 = 77,642,072,212.60/x
  3. Step 3: Cross multiply
    148,414,707,911.80x = 222,622,061,867.70 × 77,642,072,212.60
  4. Step 4: Simplify right side
    148,414,707,911.80x = 17,284,838,203,649,870,004,224
  5. Step 5: Solve for x
    x = 17,284,838,203,649,870,004,224/148,414,707,911.80
  6. Step 6: Final answer
    x = 116,463,108,318.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.